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题名: Massive hybrid stars with a first-order phase transition
作者: Li, A;  Zuo, W;  Peng, GX
刊名: PHYSICAL REVIEW C
出版日期: 2015
卷号: 91, 期号:3, 页码:35803
学科分类: Physics
DOI: http://dx.doi.org/10.1103/PhysRevC.91.035803
通讯作者: Li, A (reprint author), Xiamen Univ, Dept Astron, Xiamen 361005, Fujian, Peoples R China.
文章类型: Article
英文摘要: We develop our previous study of the transition to deconfined quark phase in neutron stars, including the interaction in the quark equation of state to the leading order in the perturbative expansion within the confinement density-dependent mass model. Using the Gibbs conditions the hadron-quark mixed phase is constructed matching the latter with the hadron equation of state derived from the microscopic Brueckner-Hartree-Fock approximation. The influence of quark interaction parameters on threshold properties and phase diagram of dense neutron star matter are discussed in detail. We find that the leading-order quark interaction expands the density range of the mixed phase, pushing forward the disappearance of the hadron phase. Moreover, since the equation of state could turn out to be stiffer, a high-mass hybrid star is possible with mixed-phase core with typical parameter sets.
类目[WOS]: Physics, Nuclear
关键词[WOS]: NUCLEAR-MATTER ;  STRANGE STARS ;  3-BODY FORCE ;  QUARK ;  MODEL ;  DENSITIES ;  EQUATION ;  STATE
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11135011, 11175219, 11435014, 11475110, U1431107] ;  Major State Basic Research Developing Program of China [2007CB815004] ;  Chinese Academy of Sciences [KJCX2-EW-N01, KJCX3-SYW-N2]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21053
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Li, A,Zuo, W,Peng, GX. Massive hybrid stars with a first-order phase transition[J]. PHYSICAL REVIEW C,2015,91(3):35803.
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